Editing Subjunctive mood (section)

====Polish====
The subjunctive mood is formed using the ''by'' particle, either alone or forming a single word with the complex conjunctions ''żeby'', ''iżby'', ''ażeby'', ''aby'', ''coby''.<ref name="muczkowski" /><ref name = "migdalski">Migdalski K. ''The Syntax of Compound Tenses in Slavic'', Utrecht 2006</ref> The mood does not have its own morphology, but instead a rule that the ''by''-containing particle must be placed in front of the dependent clause.<ref name="tomaszewicz" /> Compare:
* ''Upieram się, że wychodzi'' indicative - I insist that he is leaving;
* ''Upieram się, (że)by wyszedł'' subjunctive - I insist that he leave;
* ''Upieram się, że wyszedłby'' conditional - I insist that he would leave.

The subjunctive mood in the dependent clause is obligatory in the case of certain independent clauses, for example it is incorrect to say <del>''chcę, że to zrobi''</del>, but the subjunctive mood must be used instead: ''chcę, by to zrobił''.

The subjunctive can never be mistaken with the conditional,<ref name="tomaszewicz" /> despite that in the case of the conditional mood the clitic ''by'' and derivatives can move. See that in the following examples:
* ''Upieram się, że wtedy by nie wyszedł'' conditional - I insist that he would not have left then [at that time];
* ''Upieram się, że by wówczas nie wyszedł'' conditional - I insist that he would not have left then/[at that time]/[in that case];
* ''Myślę, że on by akurat wyszedł'' conditional - I think that he would have just left [a moment ago];
* ''Myślę, że gdyby wyszedł, ...'' conditional - I think, that if he would have left, ...
There is no conjunction, which would indicate the subjunctive. In particular, there is no ''żeby''.

Compare to the closely related [[optative mood]], e.g. the subjunctive ''nie nalegam, by wysłał list'' vs the optative ''oby wysłał list''.